import math
point1=(1,2,3)
point2=(-4,8,9)
dx=point2[0]-point1[0]
dy=point2[1]-point1[1]
dz=point2[2]-point1[2]
sum=(dx**2+dy**2+dz**2)**0.5
formatted_sum = round(sum, 2)
print(f" 三维坐标{point1}和{point2}之间的距离为：{formatted_sum}")
